﻿/*
 *
 * (c) Copyright Ascensio System Limited 2010-2023
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/


using System.Collections.Generic;
using System.Linq;

namespace ASC.MessagingSystem
{
    public class MessageTarget
    {
        private IEnumerable<string> _items;

        public static MessageTarget Create<T>(T value)
        {
            var res = new List<string>(1);
            if (value != null)
            {
                res.Add(value.ToString());
            }

            return new MessageTarget
            {
                _items = res
            };
        }

        public static MessageTarget Create<T>(IEnumerable<T> value)
        {
            var res = new MessageTarget
            {
                _items = new List<string>()
            };

            if (value != null)
            {
                res._items = value.Select(r => r.ToString()).ToList();
            }

            return res;
        }


        public static MessageTarget Parse(string value)
        {
            if (string.IsNullOrEmpty(value)) return null;

            var items = value.Split(',');

            if (!items.Any()) return null;

            return new MessageTarget
            {
                _items = items
            };
        }

        public IEnumerable<string> GetItems() { return _items.ToList(); }

        public override string ToString()
        {
            return string.Join(",", _items);
        }
    }
}